IIRC, the Lee Web-site has current the list about which primers are ok to use. They now manage to solitary out FEDERAL especially: I do have two revolvers that occasionally misfire on the first strike on double action with CCI primers, and equally are 100% with Federal primers. An additional https://winchester250magnumprimer71471.kylieblog.com/32346784/the-ultimate-guide-to-federal-gm205m-primers